package org.javaboy.vhr.config;

import org.springframework.security.access.AccessDecisionManager;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.authentication.AnonymousAuthenticationToken;
import org.springframework.security.authentication.InsufficientAuthenticationException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.stereotype.Component;

import java.util.Collection;

/**
 * @Author Willie Chen
 * @Description
 * @Date 2019/10/18
 * @Param $param
 **/
@Component
public class CustomUrlDecisionManager implements AccessDecisionManager {
    @Override
    public void decide(Authentication authentication, Object object, Collection<ConfigAttribute> configAttributes)
            throws AccessDeniedException, InsufficientAuthenticationException {

        for (ConfigAttribute configAttribute : configAttributes) {
            String needRole=configAttribute.getAttribute();
            if("ROLE_LOGIN".equals(needRole)){
                if(authentication instanceof AnonymousAuthenticationToken){
                    throw  new AccessDeniedException("尚未登录,请登录!");
                }else {
                    return;
                }
            }
            Collection<? extends GrantedAuthority> authorities = authentication.getAuthorities();
            for (GrantedAuthority authority : authorities) {

                if(authority.getAuthority().equals(needRole)){
                    return;
                }
            }
        }
          throw  new  AccessDeniedException("权限不足,请联系管理员!");
    }

    @Override
    public boolean supports(ConfigAttribute configAttribute) {
        return true;
    }

    @Override
    public boolean supports(Class<?> aClass) {
        return true;
    }
}
